Boulder County property record for 317 Alder Ln, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.163 acres (7,097 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $40 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-23-0-14-003 |
| Primary APN | 1461-23-0-14-003 |
|---|---|
| Alternative APNs |
|
| Lot Area | 7,097 sqft (0.163 acres) |
|---|
| Account Number | R0106524 |
|---|---|
| Street Address | 317 ALDER LN |
| City | BOULDER |
| State | CO |
| Zip | 80304-0404 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | F |
| Legal Description | OUTLOT A PINE BROOK HILLS 7 REPLAT B SPLIT FROM ID 34755 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 23 |
| Legal Subdivision | PINE BROOK HILLS UNIT 7 REPLAT B BOV |
| Legal Block | 2 |
| Legal Lot Number | A |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BALD MOUNTAIN |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 13704 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 321 ALDER LN, BOULDER, CO 80304-0404 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 26, 1988 |
| Deed Sale | Apr 26, 1988 |
| Prior Sale | Dec 31, 1987 · Amount on Record |
| Deed Document Number | 1988914812 |
| Record Updated | Oct 29, 2026 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $446 (+8.78%) Land $446 | $6,560 (-) Land $6,560 | |
| 2025 | $40.00 (-55.06%) | $410 (-71%) Land $410 | $6,560 (-68.91%) Land $6,560 |
| 2023 | $89.00 (-27.05%) | $1,414 (+13.03%) Land $1,414 | $21,100 (+17.22%) Land $21,100 |
| 2022 | $122.00 | $1,251 Land $1,251 | $18,000 Land $18,000 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 1 (2013) |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Extreme above 95% of the US · above 98.3% of Colorado |
|---|---|
| Wildfire Likelihood | 1% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | PINE BROOK HILLS WD serves 1,100 people · EPA ID CO0107610 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2022 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 43 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 1,200 / 35 |
May also be available: LiveWireNet, Visionary Broadband.
5G (outdoors only) and 4G LTE
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